Electric Taxi Cars

Recently New York City mayor proposed that a standard design on an electric taxi be used in most of the major cities.  By doing this the cities can have cleaner air and cut greenhouse gasses.  The electric taxis will also be a visible way to promote a greener living and working enviroment.  I think the idea is fantastic
http://www.comcast.net/articles/news-science/20101105/AS.Hong.Kong.Mayors.Climate.Conference/